<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style scoped lang="less">
        .form-preview {
            position: relative;
            display: flex;
            align-items: center;
        }

        .form-preview h2 {
            font-size: 18px;
            font-weight: normal;
        }

        .form-preview small {
            font-size: 12px;
            display: inline-block;
            padding: 2px 6px;
            background: #27ba9b;
            color: #fff;
            border-radius: 2px;
            transform: scale(0.8);
        }

        .form-preview .btn-edit {
            font-size: 12px;
            display: none;
            text-decoration: none;
            color: #069;
            margin-left: 20px;
        }

        .form-preview:hover .btn-edit {
            display: block;
        }

        .form-edit {
            padding-top: 20px;
        }

        .form-item {
            display: flex;
            margin-bottom: 20px;
            align-items: center;
        }

        .form-item .label {
            width: 60px;
            text-align: right;
            font-size: 14px;
        }

        .form-item .input {
            flex: 1;
        }

        .form-item input,
        .form-item select {
            appearance: none;
            outline: none;
            border: 1px solid #ccc;
            width: 200px;
            height: 40px;
            box-sizing: border-box;
            padding: 10px;
            color: #666;
        }

        .form-item input::placeholder {
            color: #666;
        }

        .form-item .cancel,
        .form-item .submit {
            appearance: none;
            outline: none;
            border: 1px solid #ccc;
            border-radius: 4px;
            padding: 4px 10px;
            margin-right: 10px;
            font-size: 12px;
            background: #ccc;
        }

        .form-item .submit {
            border-color: #069;
            background: #069;
            color: #fff;
        }
    </style>
</head>

<body>
    <div class="article-case">
        <div class="form-preview" v-show="isShow1">
            <h2>{{title}}</h2>
            <small>{{channel}}</small>
            <a class="btn-edit" href="#" @click="edit">编辑</a>
        </div>
        <div class="form-edit" v-show="isShow2">
            <div class="form-item">
                <div class="label" >标题：</div>
                <div class="input">
                    <input type="text" v-model="title" placeholder="请输入标题" />
                </div>
            </div>
            <div class="form-item">
                <div class="label">频道：</div>
                <div class="input" >
                    <select v-model="channel">
                        <option value="">请选择频道</option>
                        <option value="前端">前端</option>
                        <option value="运维">运维</option>
                        <option value="测试">测试</option>
                    </select>
                </div>
            </div>
            <div class="form-item">
                <div class="label"></div>
                <div class="input">
                    <button class="cancel" @click="cancel">取消</button>
                    <button class="submit" @click="confirm">确认</button>
                </div>
            </div>
        </div>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
        new Vue({
            el: '.article-case',
            data :{
                isShow1 : true,
                isShow2 : false,
                title: '如何成为一名前端老鸟？',
                channel: '前端',
        },
            methods: {
          edit(){
            this.isShow1 = false
            this.isShow2 = true
          },
          confirm(){
            this.isShow1 = true
            this.isShow2 = false
          },
          cancel(){
            alert('请重新填写')
            this.title =''
            this.channel =''
          }
        },
        });
    </script>
</body>

</html>